How to know the strength of a bar magnet
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1-Consider a magnet's characteristics.
2-Note the material which makes up y he magnet.
3-Count the no of turns in an electromagnet'a coil.
4-Check the amount of current flowing through the electromagnetic coil.
2-Note the material which makes up y he magnet.
3-Count the no of turns in an electromagnet'a coil.
4-Check the amount of current flowing through the electromagnetic coil.
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